It is a part of weber's law and if you need any help they have a bunch of quizlet stuff on this subject
Answer:
Sometimes your eyes are bigger than your stomach and you end up eating more than your body can handle at one time. When you eat too much, your digestive system has to work on overdrive, causing a spike in blood sugar, an upset stomach, and feelings of lethargy.
Hope this helps :)
Allow time , Hope this helps!